17682006397 has 4 divisors (see below), whose sum is σ = 19289461536. Its totient is φ = 16074551260.

The previous prime is 17682006359. The next prime is 17682006413. The reversal of 17682006397 is 79360028671.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17682006397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17682006397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17682006197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803727553 + ... + 803727574.

It is an arithmetic number, because the mean of its divisors is an integer number (4822365384).

Almost surely, 2^17682006397 is an apocalyptic number.

It is an amenable number.

17682006397 is a deficient number, since it is larger than the sum of its proper divisors (1607455139).

17682006397 is a wasteful number, since it uses less digits than its factorization.

17682006397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607455138.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 17682006397 in words is "seventeen billion, six hundred eighty-two million, six thousand, three hundred ninety-seven".